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DIY 360 degree video


About my DIY 360 degree camcorder

Video rig and related stitching problems

360 video recording and synchronisation

Audio.

Auto vs Manual White Balance.

360 degree video assembling.

Preparing series of images.

Geometric template.

Stitching images to 360 video frames.

RAM disk as a working directory.

Coverting frames to a 360 video.

Multiblend on my Linux box

Software

ASCII video and panorama


Libcaca video

Jp2a video

AAlib video

360 ASCII panorama

Software


Other ...


Hero4 black fisheye correction using kdenlive.

Linux to cifs/smb share rsync.

AMDGPU-PRO and Vega 56 setup on my Ubuntu.

Back to traditional Vim settings.

Virtualbox: time sync and encrypted VM commandline start.

Ubuntu 20.04, Wait for Network to be configured.



Youtube 360Cities





ASCII images and video with AAlib.




AAlib video:



http://youtu.be/_k0I_bw9tow


HowTo.






  v ;

  aud=$( echo $vid | sed '1,$ s/^\(.*\)\.\(.*\)$/\1/' ) ;
  rm *.tga *.svg *.png *.html *.jpg *.tga *.log *.jpeg *.xwd ;

  ffmpeg -i $vid -r 30 -s vga -f image2 %7d.jpg ;

  for line in $( ls *.jpg )
  do
          #echo $line ;
          ascii=$( echo $line | sed '1,$ s/\.jpg//' ) ;

          nipe=$( echo $ascii | sed '1,$ s/......\(.\)/\1/' ) ;
          nipe1=$( echo $ascii | sed '1,$ s/\(......\)./\1/' ) ;

          if (( $ascii == "0000001" ))
          then
                  echo -n $line ;
                  asciiview $ascii.jpg &
                  sleep 1 ;
                  wmctrl -r "aa for X" -e 0,0,0,1024,768 ;
                  sleep 1 ;
                  afx="" ;
                  afx=$(xwininfo -tree -root | grep "aa for X" | sed '1,$ s/\( *\)\(.\)x\(.*\) "\(.*\)$/\2x\3/' ) ;
                  xwd -id $afx -out $ascii.xwd ;
                  convert $( echo $ascii".xwd" ) $( echo $ascii".png" ) ;
                  kill -9 $( ps -C aview -o pid= ) ;

                  i=2 ;
                  while (( i < 10 ))
                  do
                          cp $ascii.png $nipe1$i.png ;
                          echo -n " ... $nipe1$i" ;
                          i=$(( $i + 1 )) ;
                  done
          fi

          if (( $nipe == "0" ))
          then
                  echo -n $line ;
                  asciiview $ascii.jpg &
                  sleep 1 ;
                  wmctrl -r "aa for X" -e 0,0,0,1024,768 ;
                  sleep 1 ;
                  afx="" ;
                  afx=$(xwininfo -tree -root | grep "aa for X" | sed '1,$ s/\( *\)\(.\)x\(.*\) "\(.*\)$/\2x\3/' ) ;
                  xwd -id $afx -out $ascii.xwd ;
                  convert $( echo $ascii".xwd" ) $( echo $ascii".png" ) ;
                  kill -9 $( ps -C aview -o pid= ) ;

                  i=1 ;
                  while (( $i < 10 )) ;
                  do
                          cp $ascii.png $nipe1$i.png ;
                          echo -n " ... $nipe1$i" ;
                          i=$(( $i + 1 )) ;
                  done
                  echo "" ;
          fi
  done

  killall aview ;

  mencoder -audiofile "$aud".mp3 mf://*.png -mf w=1024:h=768:fps=30:type=xvd -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:qns=2 -oac copy -o "$aud".avi
    
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